If you have ever wondered what xAI's Grok would say about you and your book, this lets you see it. If you have a book out or on the way, indie or traditionally published, fiction or nonfiction, you can see what Grok says about you. Other AIs have their own checkers.

Wondering is harder than knowing, and nobody can tell from the outside. Some authors find an answer that is mostly right. Others find guesses, or Grok says it does not know. Whatever you find, you learn how visible you are to this AI.

It is fair to ask whether this deserves your attention. Grok is built into X, where readers and authors already talk about books, and a reader can ask it for something to read in the middle of a thread. Grok answers from what it already knows, so a book it has not learned is one it is unlikely to bring up. Thomas Umstattd Jr. explains the idea in the article linked above.

You have probably tried asking already, and wondered whether Grok really knew your book or just looked it up. Here you can stop second-guessing, because you see what it knows on its own. Treat it as a close look at one model, not a copy of what a reader will see inside X.

Reading a made-up detail about your own book is unsettling, and it is not a glitch. When an AI does not know a book well, it fills the gaps with plausible guesses. Read each wrong detail as a sign of where your online footprint is thin, and do not repeat it anywhere as fact.

It stings to hear nothing, and it is useful rather than bad news. A blank is common for newer books and for authors still building a platform. It tells you where to start: a clear page for the book on your author website, a complete Amazon page, and a Goodreads profile. With Book Page Scanner, you see what your book page is missing.

It is natural to want a way to simply tell Grok about your book, and you cannot submit it. You can give it more to learn from. Strengthen your Amazon page, your Goodreads profile, and your author website, and earn reviews and mentions on other sites. You can improve any web page for search engines and AI with SEO/GEO Optimizer. Changes take months to show up, because models update on a training cycle and not in real time.

Waiting for AI to catch up with you is slow, and that is normal. How current it is depends on when your book and its reviews were published relative to Grok's training, and on how much has been written about it online. A model's general knowledge updates on a training cycle, so expect changes to your author platform to take months to show up.

You can relax, because only the book's title is required. Add your name if you also want to see what Grok says about you as an author. Enter it as it appears on your cover.

Yes, and checking a whole backlist can be eye-opening. Run the tool again with each title to see which books Grok knows and which it has never heard of.

Different AIs know different things, so where their answers disagree is worth a look. You can ask the other major assistants too, with Claude Knowledge Checker, ChatGPT Knowledge Checker, Gemini Knowledge Checker, DeepSeek Knowledge Checker, and Muse Knowledge Checker.

Pre-launch nerves are normal, and you can use it, but expect little. Grok cannot know a book that does not exist yet, so it will say so or guess. You walk into launch knowing your starting point as an author and which pages to build first.

Yes, and it can ease the helpless feeling of not controlling your retail pages. You can hand any errors to your publisher's marketing team, who control your book's retail pages.

Yes. Your argument and your credentials are what sell a nonfiction book, so it is worth knowing how Grok describes both. A wrong description is worth fixing, because readers may take what an AI says as fact.

Not always, and that is normal. If an answer surprises you, take a breath and run it again before you decide what it means.

Yes. Author Media does not store, track, or view anything you post to this tool. The tools reach each AI through its business API with privacy set to the maximum, so the AI companies do not train on your words.

Grok Knowledge Checker is included with any Novel Marketing Patreon membership of $10 per month or more. That membership also unlocks more than 80 other author tools in the Patron Toolbox. AI tool use draws from your membership's credit balance, and the amount used varies with the request.